# n=int(input("请输入一个整数："))     #整数求和
# sum=0
# for i in range(n+1):
#     sum+=i
# print("1~%d的求和结果为%d"%(n,sum))

# l=[]
# for i in range(3):
#     x=int(input('请输入一个整数'))
#     l.append(x)
# l.sort()
# print(l)

# for i in range(1,10):
#     for j in range(1,i+1):
#         print("%d*%d=%-2d "%(j,i,i*j),end='')
#     print('')

# import turtle as t
# def draw_fiveStars(leng):
#     count=1
#     while count <=5:
#         t.forward(leng)
#         t.right(144)
#         count+=1
#     leng +=10
#     if leng<=100:
#         draw_fiveStars(leng)
# def main():
#     t.penup()
#     t.backward(100)
#     t.pendown()
#     t.pensize(2)
#     t.pencolor('red')
#     segment=50
#     draw_fiveStars(segment)
#     t.exitonclick()
# if __name__=='__main__':
#     main()
